This indicates that the user

badlop — Mon, 19 Sep 2016 14:46:09 +0000

This indicates that the user you provided to login in WebAdmin does not have admin privileges. Simply add the corresponding ACL lines to your ejabberd configuration file, and restart ejabberd.

Something like this:

acl:
  admin:
    - user: "peter@example.org"

Before adding this, look carefully, maybe your config file already has some default admin, or those lines commented ready for you to enable them.

ejabberd - Comments for "Missing web console"

This indicates that the user